Answer:
D. X=7
Step-by-step explanation:
Use the order of operations to solve this problem.
First, combine like terms.
7x-5x=2x
Our equation is now 2x-3=x+4
Now, add 3 to both sides.
Our equation is now 2x=x+7
Subtract x from both sides.
x=7
The answer is D. X=7
Feel free to ask any questions.
Hope this helps!
Answer:
the answer is 20/72 = x/480 . this is because u have to add the numbers for the first sample to find the sample size and then make a ratio to determine if the sample size increases to 480 .
Answer:
i dont understand whnat do the equations equal or represent
Step-by-step explanation:
Answer:
Tip is $8.64
Everyone pays $22.08
Step-by-step explanation:
57.60×8%=$8.64
57.60+8.64=$66.24
$66.24÷3=$22.08
Answer:
r =.3 is wrong for 2x = -6. you divide -6/2 which = -3 so r = -3